# @SpringBootTest(classes = SlicesApp.class, args = "--from-the-test=1"): what ran before the first test method

CommandLineRunner from a top-level @Component ran, args = [--from-the-test=1]
CommandLineRunner nested in SlicesApp ran, args = [--from-the-test=1]
ApplicationRunner from a @Bean method ran, source args = [--from-the-test=1]
ApplicationReadyEvent listener (a top-level @Component) ran